a.   
   **10011011(2)**  
   1*2^7 + 0*2^6 + 0*2^5 + 1*2^4 + 1*2^3 + 0*2^2 + 1*2^1 + 1*2^0  
   155  
   **456(7)**  
   6*7^0 + 5*7^1 + 4*7^2  
   237  
   **34A(16)**  
   3*16^2 + 4*16^1 + 15*16^0  
   842  
   **2214(5)**  
   4*5^0 + 1*5^1 + 2*5^2 + 2*5^3  
   309  
b.   
   **1744(8)**  
   001 111 100 100(2)  
   **6D1A(16)**  
   0110 1101 0001 1010(2)  
   **485(10)**  
   485/2 242(1)  
   242/2 121(0)  
   121/2 60(1)  
   60/2 30(0)  
   30/2 15(0)  
   15/2 7(1)  
   7/2 3(1)  
   3/2 1(1)  
   1/2 0(1)  
   111100101(2)  
   **456(7)**  
   237(10)  
   237/2 118(1)  
   118/2 59(0)  
   59/2 29(1)  
   29/2 14(1)  
   14/2 7(0)  
   7/2 3(1)  
   3/2 1(1)  
   1/2 0(1)  
   11101101(2)  
  
c.  
   **001101011(2)**  
   01 05 03  
   153  
   **3EA(16)**  
   0011 1110 1010  
   001 111 101 010  
   01 7 5 2  
   1752  
   **895(10)**  
   895/8 111 (7)  
   111/8 13 (7)  
   13/8 1 (5)  
   1/8 0 (1)  
   1577(8)  
   
d. 
   **124(10)**  
   124/2 62 (0)  
   62/2 31 (0)  
   31/2 15 (1)  
   15/2 7 (1)  
   7/2 3 (1)  
   3/2 1 (1)  
   1/2 0 (1)  
   1111100  
   **-24(10)**    
   24(10)  
   24/2 12 (0)  
   12/2 6 (0)  
   6/2 3 (0)  
   3/2 1 (1)  
   1/2 0 (1)  
   11000  
   100000000(2) - 11000(2) =  
   11101000  
   **-109(10)**  
   109(10)  
   109/2 54(1)  
   54/2 27(0)  
   27/2 13(1)  
   13/2 6(1)  
   6/2 3(0)  
   3/2 1(1)  
   1/2 0(1)  
   1101101  
   100000000(2) - 10010011 =  
   10010011  
   **108(10)**  
   108/2 54(0)  
   54/2 27(0)  
   27/2 13(1)  
   13/2 6(1)  
   6/2 3(0)  
   3/2 1(1)  
   1/2 0(1)  
   1101100  
  
e.   
   **00011110(2)**  
   0*2^0 + 1*2^1 + 1*2^2 + 1*2^3 + 1*2^4  
   30(10)  
   **11100110**  
   100000000 - 11100110 =  
   11010  
   0*2^0 + 1*2^1 + 0*2^2 + 1*2^3 + 1*2^4  
   26  
   -26  
   **00101101**  
   1*2^0 + 0*2^1 + 1*2^2 + 1*2^3 + 0*2^4 + 1*2^5  
   45  
   **10011110**  
   100000000 - 10011110  
   1100010  
   0*2^0 + 1*2^1 + 0*2^2 + 0*2^3 + 0*2^4 + 1*2^5 + 1*2^6  
   98  
   -98  
